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2. ZIP Code Tabulation Area - Wikipedia

   en.wikipedia.org/wiki/ZIP_Code_Tabulation_Area

   ZIP Code Tabulation Areas ( ZCTAs) are statistical entities developed by the United States Census Bureau for tabulating summary statistics. These were introduced with the Census 2000 and continued with the 2010 Census and 5 year American Community Survey [1] data sets. This new entity was developed to overcome the difficulties in precisely ...

3. List of spatial analysis software - Wikipedia

   en.wikipedia.org/wiki/List_of_spatial_analysis...

   Library of algorithms to aggregate areas into regions, where each region is geographically connected, while optimizing a predefined objective function. Python. BSD license. R -Analysis of Spatial Data. yes. Linux, MAC OS, Windows. Roger Bivand (maintainer) CRAN site for Analysis of Spatial Data, R-Forge site.

4. List of free geology software - Wikipedia

   en.wikipedia.org/wiki/List_of_free_geology_software

   This is a list of free and open-source software for geological data handling and interpretation. The list is split into broad categories, depending on the intended use of the software and its scope of functionality. Notice that 'free and open-source' requires that the source code is available and users are given a free software license.

5. List of ZIP Code prefixes - Wikipedia

   en.wikipedia.org/wiki/List_of_ZIP_Code_prefixes

   Each cell in this table contains a three-digit ZIP code prefix, the state where that ZIP code prefix is located, and the name of the United States Postal Service (USPS) Sectional Center Facility (SCF) that serves that ZIP code prefix, which may be in a different state. Each SCF may serve more than one three-digit ZIP code prefix.

6. Generic Mapping Tools - Wikipedia

   en.wikipedia.org/wiki/Generic_Mapping_Tools

   Generic Mapping Tools. Generic Mapping Tools ( GMT) are an open-source collection of computer software tools for processing and displaying xy and xyz datasets, including rasterization, filtering and other image processing operations, and various kinds of map projections. The software stores 2-D grids as COARDS-compliant netCDF files and comes ...

7. MapInfo TAB format - Wikipedia

   en.wikipedia.org/wiki/MapInfo_TAB_format

   MapInfo Professional can also use raster images and grid surfaces as layers in a map. These are stored in their native file formats, such as *.JPG, *.TIF or *.PNG, and the software again creates a *.TAB file for each one which includes georeferencing information. A seamless table enables a single layer in a map to be derived from multiple base ...